The problem with ZCL is the premine blocks:
4 0006beb916e03ae3ff02fcf9529d53ee78eb633398938040e227eff81a016fd1 1478415664 16-11-06 07:01:04 1 2372 1585 4 0x4 0b100 1.0 1f07ffff
3 000274d5b2b3de799e6d144914e2deae0c84f05d73574803510dcfbf6416ce6c 1478414906 16-11-06 06:48:26 1 2373 1586 4 0x4 0b100 1.0 1f07ffff
2 0007e5c93609cd9ed3d5cd381456809a9f22b1991b01c1fc7fc7263188146978 1478414803 16-11-06 06:46:43 1 2374 1586 4 0x4 0b100 1.0 1f07ffff
1 0004b371c02c41c61c189ce04ac147220daf796e9a60ce90cfee31e5a71dda2d 1478414242 16-11-06 06:37:22 1 2375 1586 4 0x4 0b100 1.0 1f07ffff
0 0007104ccda289427919efc39dc9e4d499804b7bebc22df55f8b834301260602 1478403829 16-11-06 03:43:49 1 2376 1695 4 0x4 0b100 1.0 1f07ffff
https://cronicc.github.io/So that is a nice 50 ZCL coins that can be dumped...
I don't know about those other blocks
21 000693205b678d65b50a81003988baf55606976546c11d1c3bd33090c5564a53 1478415921 16-11-06 07:05:21 1 2355 1586 4 0x4 0b100 1.1820992 1f06c482
20 0000fa3da65c505bc7fa111fdeee2bc46b2aa77caf99767c510fdf52d6342adc 1478415920 16-11-06 07:05:20 1 2356 1586 4 0x4 0b100 1.10502765 1f073d58
19 0003755766e96d4f7a80012150c03e62cddbb7a5dc3f49d353bedf95b70a40b4 1478415903 16-11-06 07:05:03 1 2357 1586 4 0x4 0b100 1.09961367 1f074678
18 0002f5e7d18461dc82846e0550e5013cb233d8985fff8ac2d29adb791973bb84 1478415894 16-11-06 07:04:54 1 2358 1586 4 0x4 0b100 1.0 1f07ffff
17 000214bfefd6d9b0e2bb01f51e887e4f5e0ce349da7e3a347734e1f850ac58d9 1478415893 16-11-06 07:04:53 1 2359 1586 4 0x4 0b100 1.0 1f07ffff
16 0000de9b500af0a9591028fb50684113749daf6cdb59e194f8e53341d4ce3168 1478415880 16-11-06 07:04:40 1 2360 1585 4 0x4 0b100 1.0 1f07ffff
15 0003cf0612b5bfc8bd41301caa911b5ad7c27c5277657563799d6ba7243f478a 1478415875 16-11-06 07:04:35 1 2361 1585 4 0x4 0b100 1.0 1f07ffff
14 00038b2d973dd0f1516370dffd4acded32e5725adc982927fe94690db880105b 1478415872 16-11-06 07:04:32 1 2362 1585 4 0x4 0b100 1.0 1f07ffff
13 000232ad53249fbea34158a2c09d0d7c10d1fa2d6a7310ceac042add2c3a3887 1478415867 16-11-06 07:04:27 1 2363 1585 4 0x4 0b100 1.0 1f07ffff
12 00013388aa8aa7f95ca59bc74a8c1a9d3384dd3811558b42761d8f00477a8a29 1478415858 16-11-06 07:04:18 1 2364 1585 4 0x4 0b100 1.0 1f07ffff
11 000584eed4d33688dbc1b98e86b8bc07b08bbdfc6ac84c680f639f787e638bc4 1478415853 16-11-06 07:04:13 1 2365 1585 4 0x4 0b100 1.0 1f07ffff
10 0002dec5f29798f8e07d74d8d50d0f6eaa934a9284bf41b06b703aa12c018b48 1478415844 16-11-06 07:04:04 1 2366 1585 4 0x4 0b100 1.0 1f07ffff
9 00052707e8c738aa1ca5facaf162e985592c63a3e24305a80bc373df98d13ade 1478415838 16-11-06 07:03:58 1 2367 1585 4 0x4 0b100 1.0 1f07ffff
8 0004a4b3c668e97d8d066dc04054f6333188d2ef2438469356a2bcccac3c174b 1478415832 16-11-06 07:03:52 1 2368 1585 4 0x4 0b100 1.0 1f07ffff
7 0007e4af43fab3edf6affa53b2ad5763df0d172761f3a2089fefadea094f3c63 1478415829 16-11-06 07:03:49 1 2369 1585 4 0x4 0b100 1.0 1f07ffff
6 00015f631be008cc92800eef839557d326f5ae979a80b4c93069215c68732933 1478415816 16-11-06 07:03:36 1 2370 1585 4 0x4 0b100 1.0 1f07ffff
5 00006385f49c040657989541c104b937d1916da73c67fe7805a94803794f5980 1478415809 16-11-06 07:03:29 1 2371 1585 4 0x4 0b100 1.0 1f07ffff
But all looks like they were mined before the ANN....
People should maybe double check the block explorer themselves and compare it against the time when the thread was created